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Late Quaternary Uplift Along The North America-Caribbean Plate Boundary: Evidence From The Sea Level Record Of Guantanamo Bay, Cuba, Daniel R. Muhs, Eugene S. Schweig, Kathleen R. Simmons, Robert B. Halley
Late Quaternary Uplift Along The North America-Caribbean Plate Boundary: Evidence From The Sea Level Record Of Guantanamo Bay, Cuba, Daniel R. Muhs, Eugene S. Schweig, Kathleen R. Simmons, Robert B. Halley
United States Geological Survey: Staff Publications
The tectonic setting of the North America-Caribbean plate boundary has been studied intensively, but some aspects are still poorly understood, particularly along the Oriente fault zone. Guantanamo Bay, southern Cuba, is considered to be on a coastline that is under a transpressive tectonic regime along this zone, and is hypothesized to have a low uplift rate. We tested this by studying emergent reef terrace deposits around the bay. Reef elevations in the protected, inner part of the bay are ~11e12 m and outercoast, wave-cut benches are as high as ~14 m. Uranium-series analyses of corals yield ages ranging from ~133 …